Curb



FIG. 1 is a perspective view of a first embodiment of the curb, showing our new design;

FIG. 2 is a top plan view of the first embodiment;

FIG. 3 is a bottom plan view of the first embodiment;

FIG. 4 is a front elevational view of the first embodiment;

FIG. 5 is a rear elevational view of the first embodiment;

FIG. 6 is an enlarged left view of the first embodiment;

FIG. 7 is an enlarged right view of the first embodiment;

FIG. 8 is a perspective view of a second embodiment of the curb;

FIG. 9 is a top plan view of the second embodiment;

FIG. 10 is a bottom plan view of the second embodiment;

FIG. 11 is a front elevational view of the second embodiment;

FIG. 12 is a rear elevational view of the second embodiment;

FIG. 13 is an enlarged left view of the second embodiment;

FIG. 14 is an enlarged right view of the second embodiment;

FIG. 15 is a perspective view of a third embodiment of the curb;

FIG. 16 is a top plan view of the third embodiment;

FIG. 17 is a bottom plan view of the third embodiment;

FIG. 18 is a front elevational view of the third embodiment;

FIG. 19 is a rear elevational view of the third embodiment;

FIG. 20 is an enlarged left view of the third embodiment; and,

FIG. 21 is an enlarged right view of the third embodiment.

The broken lines show portions of the curb that form no part of the claimed design. 

CLAIM The ornamental design for a curb, as shown and described. 